<template>
<div>
    <div id="slider" class="mui-slider">
        <div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
            <div class="mui-scroll">
            <a :class="['mui-control-item',item.id == 0 ? 'mui-active' : '' ]" v-for="item in cates" :key="item.id">
                {{item.title}}
            </a>
            </div>
        </div>
    </div>
    <ul class="photo-list">
        <li v-for="item in list" :key="item.id">
            <img v-lazy="item.img_url">
            <div class="info">
                <h1 class="info-title">{{ item.title }}</h1>
                <div class="info-body">{{ item.zhaiyao }}</div>
            </div>
        </li>
    </ul>
</div>           
</template>
<script>
    import mui from '../../lib/mui/js/mui.min.js'
    
    export default{
        data(){
            return{
                cates:[],
                list:[]
            }
        },
        mounted(){
            mui('.mui-scroll-wrapper').scroll({
                deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
            });
        },
        created(){
            this.getAllCategory(),
            this.getPhotoListByCateId(0)
        },
        methods:{
            getAllCategory(){
                this.$http.get('http://027xin.com:8899/api/getimgcategory').then(res => {
                console.log(res.data)
                    if(res.data.status === 0) {
                        res.data.message.unshift({title:'全部', id:0}),
                        this.cates = res.data.message
                    }
                })
            },
            getPhotoListByCateId(cateId){
                this.$http.get('http://027xin.com:8899/api/getimages/' +cateId).then(res =>{
                    if (res.data.status === 0) {
                        this.list = res.data.message;
                    }
                })
            }
        }
    }
</script>
<style>
* {
  touch-action: pan-y;
}

.photo-list {
  list-style: none;
  margin: 0;
  padding: 10px;
  padding-bottom: 0;
}
.photo-list li{
    background-color: #ccc;
    text-align: center;
    margin-bottom: 10px;
    box-shadow: 0 0 9px #999;
    position: relative;
}
.photo-list li img{
    width: 100%;
    vertical-align: middle; 
}
.photo-list li img[lazy=loading] {
  width: 40px;
  height: 300px;
  margin: auto;
}
.photo-list li .info {
      color: white;
      text-align: left;
      position: absolute;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.4);
      max-height: 84px;
}
.photo-list li .info-title {
    font-size: 14px;
}
.photo-list li .info-body {
    font-size: 13px;
}
</style>
